problem electrical installation revit

[Loris Pozzuoli]

Good evening to all, I'm trying to make an electrical system with revit but I have problems. Entering an electrical picture by entering the circuit screen and selecting square appears the notification that the picture does not have a distribution system, in the curtain of the property panel there does not appear any distribution system and exits the word "no one", how should it do?
Also when I have to create circuits by selecting the sockets and switches gives me a problem saying that they are 3 poles.
thanks in advance to all.

 

[gfrank]

non-use revit mep, ma saves the stew:http://help.autodesk.com/view/rvt/2019/ita/?guid=guid-267a4006-80d3-4306-a404-0af77f3d49a8